Kimi K2.6 vs GPT-6.1 Sol: price, context window and capabilities
Kimi K2.6 (moonshotai/kimi-k2.6) from MoonshotAI and GPT-6.1 Sol (openai/gpt-6.1-sol) from OpenAI are both multimodal language models on the OceanToken API. Kimi K2.6 costs less per token than GPT-6.1 Sol: $0.95 against $1.80 per 1M input tokens (47% less) and $4.00 against $9.00 per 1M output tokens (56% less). GPT-6.1 Sol is 10% off its official price on OceanToken, for every account. GPT-6.1 Sol has the larger context window: 1.05M tokens (1,050,000) against 262K (262,144) for Kimi K2.6. Both support tool calling, reasoning, structured outputs and image input; only GPT-6.1 Sol also lists file input.
Side by side
| Spec | Kimi K2.6 | GPT-6.1 Sol −10% |
|---|---|---|
| Model | Kimi K2.6moonshotai/ | GPT-6.1 Solopenai/ |
| Publisher | MoonshotAI | OpenAI |
| Kind | Text & vision | Text & vision |
| Context window | 262K tokens262,144 | 1.05M tokens1,050,000 |
| Input price | $0.95 / 1M tokens | $1.80 / 1M tokens |
| Output price | $4.00 / 1M tokens | $9.00 / 1M tokens |
| Cached input price | $0.16 / 1M tokens | $0.10 / 1M tokens |
| Cache write price | – | $2.50 / 1M tokens |
| Web search price | – | $0.01 / search |
| Discount (vs official, top tier) | — | −10% |
| Inputs | text and images | text, images and files |
| Outputs | text | text |
| Tool calling | Yes | Yes |
| Reasoning | Yes | Yes |
| Structured outputs | Yes | Yes |
About these prices
Which should you choose?
- Choose Kimi K2.6 to spend less per token: 47% less for input and 56% less for output than GPT-6.1 Sol.
- Choose GPT-6.1 Sol for the longest inputs: its context window holds 1.05M tokens against 262K for Kimi K2.6.
- Choose GPT-6.1 Sol if you need file input: Kimi K2.6 does not list it.
- Not sure? Call both with the same OceanToken API key and compare them on your own prompts; each request is billed per use from one prepaid balance.
Get API Key Kimi K2.6 GPT-6.1 Sol
Frequently asked questions
Which is cheaper, Kimi K2.6 or GPT-6.1 Sol?
Kimi K2.6. Kimi K2.6 costs less per token than GPT-6.1 Sol: $0.95 against $1.80 per 1M input tokens (47% less) and $4.00 against $9.00 per 1M output tokens (56% less). GPT-6.1 Sol is 10% off its official price on OceanToken, for every account. The OceanToken console always shows the current price.
Which has the larger context window, Kimi K2.6 or GPT-6.1 Sol?
GPT-6.1 Sol. GPT-6.1 Sol has the larger context window: 1.05M tokens (1,050,000) against 262K (262,144) for Kimi K2.6.
Can I call both Kimi K2.6 and GPT-6.1 Sol with one API key?
Yes. Both are on the OceanToken API at https://api.oceantoken.ai/v1: one API key and one prepaid balance call either model. Send the model id moonshotai/kimi-k2.6 or openai/gpt-6.1-sol.
Models and publishers
Kimi K2.6 · GPT-6.1 Sol · All MoonshotAI models · All OpenAI models
More comparisons
Claude Opus 5.5 vs GPT-6.1 Sol · DeepSeek V4.1 Flash vs GPT-6.1 Sol · DeepSeek V4 Pro vs GPT-6.1 Sol · DeepSeek V4 Flash 0731 vs GPT-6.1 Sol · All comparisons